
* {
    margin: 0;
    padding: 0;
}

.top {
    background-color: #282B33;
    width: 100vw;
    height: 100px;
    display: flex;
    /*justify-content: center;*/
    align-items: center;
}

.log {
    font-size: 25px;
    font-family: cursive;
    color: aquamarine;
}

a:link {
    color: aquamarine
}

a:visited {
    color: black;
}

a:hover {
    color: pink;
}

a:active {
    color: #ccc;
}

.top > div:nth-child(1) {
    width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    /*border: 1px solid red;*/
}
.top > div:nth-child(1)>div{
    margin: 0 10px;
}
.top > div:nth-child(2) {
    width: 1000px;
    /*border: 1px solid red;*/
    display: flex;
    justify-content: space-between;
    color: white;
    font-family: 仿宋;
    font-size: 20px;
}

.top a {
    color: azure;
    text-decoration: none;
}

.left a {
    text-decoration: none;
}

.top > div:nth-child(2) > div:nth-child(2) {
    font-size: 25px;
    font-family: cursive;
    color: yellow;
}

.top > div > div:nth-child(3) > a {
    border: 1px solid skyblue;
    font-weight: bold;
}

.top > div > div:nth-child(3) > a:hover {
    box-shadow: 0 0 1px 1px #cccccc;
    color: greenyellow;
    font-weight: bold;
}

.left {
    background-color: #282B33;
    height: calc(100vh - 100px);
    color: white;
    width: 200px;
    display: flex;
    /*justify-content: center;*/
    float: left;
    /*align-items: center;*/
}

.left > ul > li > span {
    display: block;
    line-height: 50px;
    width: 110px;
    text-align: right;
    /*border: 1px solid red;*/
}

.left > ul > li > span:hover {
    color: lightsalmon;
    border-left: 6px solid aqua;
    /*margin-left: -50px;*/
    cursor: pointer;
}

.right {
    float: right;
    width: calc(100vw - 217px);
    height: calc(100vh - 100px);
}

.left > ul, ol, li {
    list-style: none;
}

.left > ul > li > ol {
    text-indent: 4em;
}

.show {
    line-height: 30px;
    display: block;
}

.show:hover {
    color: darkgray;
    cursor: pointer;
}

.hide {
    display: none;
}